/** Where the media can be sought to, on the session's absolute clock (`now` while the element has
 *  no range yet), or null when the element refuses to say. Its own function, outside PlexPlayer: the
 *  React Compiler cannot lower a conditional inside a try yet, and skipped the whole player for it. */
export function seekableEndOf(
  video: HTMLVideoElement,
  sessionStart: number,
  now: number,
): number | null {
  try {
    return video.seekable.length ? sessionStart + video.seekable.end(0) : now;
  } catch {
    return null;
  }
}